Certification

As a leader in the field of mining equipment, China Coal Group always puts safety in the first place, constantly increases investment in technology research and development, and is committed to transf

Recently, China Coal Group has successfully passed the evaluation of the national professional organization of intellectual property management and obtained the Certificate of Intellectual Property Ma

On October 28, the expert group of intellectual property management system certification visited China Coal Group for on-site audit. Mr. Qu Qing, Chairman of China Coal Group, Mr. Han Yong, General Ma

On May 9-10, three experts from the Safety Standard National Mine Product Safety Marking Center Inspection Institute, including Wang Guo Key (Safety Standard Center), Li Bing (Fushun Institute) and Lu

After strict inspection and comprehensive evaluation by the EU certification body, the 42 specifications and models of excavators independently developed and produced by Shandong China Coal Constructi

Recently, The mine flameproof and intrinsically safe vacuum electromagnetic starters QJZ-80/1140 (660), QJZ-120/1140 (660), QJZ-200/1140 (660), QJZ-315/1140 (660), qJZ-400/1140 (66) are independently